the fuel tanks on the wings are self sealing and built to take impact. it s not like the old days, lockheed constellation comes in and carrying gasoline which is very volatile, jet fuel is not as volatile as gasoline by far. the safety improvements and fuel tank and all of the design work that goes on into the product like that to get you a certification, that gets you to the kind of product that we fly in commercial aviation every day and you can have confidence when you get on those airplanes, that a the industry is very standardized across the board. are there exceptions? yes, but for the most part it s the safety mode of transportation out there despite what you are looking at on the screen